diff options
Diffstat (limited to '')
| -rw-r--r-- | chat.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/chat.h b/chat.h index 1ac37b9..3668bcd 100644 --- a/chat.h +++ b/chat.h @@ -26,6 +26,7 @@ */ #include <assert.h> +#include <ctype.h> #include <err.h> #include <getopt.h> #include <stdarg.h> @@ -59,12 +60,50 @@ catf(struct Cat *cat, const char *format, ...) { if (cat->len >= cat->cap) cat->len = cat->cap - 1; } +enum Attr { + BIT(Bold), + BIT(Reverse), + BIT(Italic), + BIT(Underline), +}; enum Color { White, Black, Blue, Green, Red, Brown, Magenta, Orange, Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray, Default = 99, ColorCap, }; +struct Style { + enum Attr attr; + enum Color fg, bg; +}; + +static const struct Style StyleDefault = { 0, Default, Default }; +enum { B = '\2', C = '\3', O = '\17', R = '\26', I = '\35', U = '\37' }; + +static inline size_t styleParse(struct Style *style, const char **str) { + switch (**str) { + break; case B: (*str)++; style->attr ^= Bold; + break; case O: (*str)++; *style = StyleDefault; + break; case R: (*str)++; style->attr ^= Reverse; + break; case I: (*str)++; style->attr ^= Italic; + break; case U: (*str)++; style->attr ^= Underline; + break; case C: { + (*str)++; + if (!isdigit(**str)) { + style->fg = Default; + style->bg = Default; + break; + } + style->fg = *(*str)++ - '0'; + if (isdigit(**str)) style->fg = style->fg * 10 + *(*str)++ - '0'; + if ((*str)[0] != ',' || !isdigit((*str)[1])) break; + (*str)++; + style->bg = *(*str)++ - '0'; + if (isdigit(**str)) style->bg = style->bg * 10 + *(*str)++ - '0'; + } + } + return strcspn(*str, (const char[]) { B, C, O, R, I, U, '\0' }); +} enum { None, Debug, Network, IDCap = 256 }; extern char *idNames[IDCap]; |